Home / 119,214-257,787

Finding the Third Proportional to 119,214 and 257,787

Calculator

Solution

The third proportional to 119,214 and 257,787 is: 557,435.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,214 : 257,787 = 257,787 : x
  2. Step 2: Convert to fraction form
    119,214/257,787 = 257,787/x
  3. Step 3: Cross multiply
    119,214x = 257,787 × 257,787
  4. Step 4: Simplify right side
    119,214x = 66,454,137,369
  5. Step 5: Solve for x
    x = 66,454,137,369/119,214
  6. Step 6: Final answer
    x = 557,435.68

Related Problems

Find third proportional to 59,607 and 128,893.50
Half scale
Find third proportional to 238,428 and 515,574
Double scale
Find third proportional to 119,216 and 257,791
Similar ratio
Find third proportional to 178,821 and 386,680.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.